111442444042 has 32 divisors (see below), whose sum is σ = 180590601600. Its totient is φ = 51419594688.

The previous prime is 111442444033. The next prime is 111442444117. The reversal of 111442444042 is 240444244111.

It is a junction number, because it is equal to n+sod(n) for n = 111442443995 and 111442444013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1670809 + ... + 1736227.

It is an arithmetic number, because the mean of its divisors is an integer number (5643456300).

Almost surely, 2^111442444042 is an apocalyptic number.

111442444042 is a deficient number, since it is larger than the sum of its proper divisors (69148157558).

111442444042 is a wasteful number, since it uses less digits than its factorization.

111442444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66750.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 111442444042 its reverse (240444244111), we get a palindrome (351886688153).

The spelling of 111442444042 in words is "one hundred eleven billion, four hundred forty-two million, four hundred forty-four thousand, forty-two".